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One of my channels on a 2 channel 1000 watt amp is not working properly. Sounds quiet and distorted. The fuses are not blown. What could it be and how to fix it?

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The IC Is blowin in it, $150 to $225 for repair.

Posted on Oct 31, 2012

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Posted on Jan 02, 2017

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SOURCE: Speaker outputs blown on 4 channel amp

the outputs should be replaced in pairs, there are 2 to 4 pairs, but you sould only need 1 pair replaced. these transistors typically range between 10 to 30 cdn each + labour, look for 1 to 1.5h to replace & test the unit after repair. check your local repair shop for their rates. good luck

Posted on Nov 30, 2006

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SOURCE: the amp is only putting out on 1 channel

I do believe this is caused by one of your amp fuses. Depending on which + on the amp is being used. That channel has a blown fuse. have you tried running + and -, + and - to both channels to see if both subs worked? If one sub doesn't then it's a blown fuse or scarred fuse and needs to be changed.

Posted on Feb 10, 2009

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SOURCE: what size fuse do i need with my 1200 watt 2

hey 25 watt thats wat i have got and mine is a 1100 watt..

Posted on Mar 24, 2009

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SOURCE: 1000 watt amp sony xplod

check to see what your ground wire is rated at. I recently installed 2 12" sony xplods(XS-L120P5W) and a MTX Audio TC4002. They didnt sound near what they should have. I increased my ground wire from a 12gauge to 6 gauge and it sounds amazing now. Also you could try bridging the speakers, that most of the time helps

Posted on Mar 24, 2009

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SOURCE: How do I fix the problem so they work again.?

A 1000 WATT AMP HAS PROBABLY GONE INTO PROTECTION MODE BECAUSE YOU ARE TRYING TO RUN 1600 WATT SUBS COMBINED

Posted on Jun 13, 2009

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I've bought a pyramid crystal 1000 watt 2 channel amplifier used it states it runs at 4 ohms can I run it at 2 or 1 ohms and if so what will the wattage be?


Not to disappoint you too much, but the 1000 watts advertised is just marketing hype. If your amp is the PB781X, it should have only a single 15A fuse on it. Your battery provides 12.5 volts when the engine is off, so at most, your amp draws 187.5 watts of power. Draws, not outputs. No amp is 100% efficient due to heat. When your engine is running, assuming your alternator outputs 14.4 volts, your amp's maximum power draw is about 216 watts. Again, this is what your amp draws, not what it puts out. What you should focus on is the RMS (continuous) output, not Max or PMPO. Those numbers are useless, unfortunately.
Your amp is rated to output 50 watts per channel at 4 Ohms, and 75 watts per channel at 2 ohms. This is when wiring your channels separately, not bridged. I did not see true power specs for your amp while bridged, but it's possible you'll just get the full 150 watts to the single bridged output. Do not attempt to apply a 1 ohm load to your amplifier, as you will run the risk of damaging it. It's not designed to handle a 1 ohm load. If you're lucky, you'll blow a fuse before the amp is damaged, but either way, there is nothing to be gained by attempting it.

Sep 12, 2017 | Pyramid Car Audio & Video

1 Answer

I have 2 15" dvc 4 ohm kickers 1000 watt / 500 rms &a1000 watt avionixx 4 channel amp what would be the right wiring scheme?


need to know the ohms on the amplifiers then might can tell you best solution for system

Mar 05, 2013 | Car Audio & Video

1 Answer

I have 2 12in kenwoods and a 1200 watt pyrimade amp, how can i hook these up to be the loudest


1st have your subs facing inwards towards the front of the car, not facing out the boot, This creates a better bass.

Wire 1 sub to one channel and the other sub to the other channel.

Turn down your gain as low as possible and then power everything up.

turn volume to desired loudness and then start turning up the gain slowly, if distorts a little turn in back down a notch.

avoid using bass boost, I agree it sounds great but it puts more strain on your amp and shortens its life.

after sorting out your gain, tweak all others until sound is bassy and clear with no distortion.

If you would like to use bass boost, turn on bass boost first, then up your gain etc.

Jan 16, 2013 | Pyramid PB915X 1200 Watts 2 Channel...

1 Answer

My adcom 5400 amp is causing distortion in the left and right ouputs. it started doing this the other day after a lot of music playing. i wanna know whats wrong with it


THE AMP HAS 4 FUSES INSIDE, 2 PER CHANNEL. YOU NEED TO CHECK THESE FUSES. BE CAREFULL, HIGH VOLTAGE- UNPLUG POWER CORD AND LET THE AMP STAY FOR COUPLE HOURS. REPLACE ONLY WITH PROPER VALUE FUSES 5AMP. IF BLOWN AGAIN, NO MORE ATTEMPT TO REPLACE - YOU NEED TO SEND IT TO REPAIR FACILITY LIKE THIS

Sep 13, 2011 | Adcom GFA-5400 2-Channel Amplifier

2 Answers

How do I fix the problem so they work again.?


A 1000 WATT AMP HAS PROBABLY GONE INTO PROTECTION MODE BECAUSE YOU ARE TRYING TO RUN 1600 WATT SUBS COMBINED

Jun 08, 2009 | Car Audio & Video

1 Answer

The amp is only putting out on 1 channel


I do believe this is caused by one of your amp fuses. Depending on which + on the amp is being used. That channel has a blown fuse. have you tried running + and -, + and - to both channels to see if both subs worked? If one sub doesn't then it's a blown fuse or scarred fuse and needs to be changed.

Feb 10, 2009 | Kenwood Excelon KAC-X521 Car Audio...

1 Answer

High distortion


The head unit may be rated at 200 watts but it cannot produce more than ~20 watts of real power per channel. There's no way that it can drive the high end speakers to a level that will be needed to compete with the subs on a 1000 watt amplifier.

Apr 18, 2008 | Sony Xplod XM-1652Z Car Audio Amplifier

3 Answers

1000 watt amp sony xplod


That's not a 1000w amp. It's a 400 watt amp when loaded to it's lowest rated load. If you have one speaker per channel (the only safe load if you have single 4 ohm coil speakers), you're only getting 165 watts/speaker. It's probably distorted because you're driving it to clipping.

Jan 01, 2008 | Car Audio & Video

1 Answer

Amp won't put out sound


Hi there,

A lot of Amps come with fuses as a safety mechanism so you don't blow the speaker and/or internal components in the case of a power surge etc. Check for a blown fuse. Sometimes they have a fuse holder in the back of the amp and it is labelled "fuse" which cetainly makes it easier to find. Hope this works and helps.

Nov 17, 2007 | Prime 40 Watt 2 Channel Lead Electric...

1 Answer

Sub+amp configuration


With a single 4-ohm subwoofer, usually the best choice is a 2-channel amp that can be bridged to a single channel. In your case, the sub is rated for 1000 watts. Not many amps are rated for that kind of continuous power into a 4-ohm load. Kicker doesn't list a minimum power rating, which isn't unusual in subwoofer specs. Depending on your budget, I'd look for an amp rated for 300-500 watts minimum; the higher, the better, up to 1000 watts. Most amps will have several power ratings, based on the load impedance and number of channels driven. A typical 2-channel amp might be rated like this: 150 watts x 2 channels at 4 ohms 300 watts x 2 channels at 2 ohms 500 watts x 1 channel at 4 ohms. The power rating you'll want to look at will be the 1-channel, 4-ohm rating. You can look at mono amps, too, but in the power ranges you're looking for, a 2-channel amp will probably give you the best value. However, if you can find a mono amp with a high enough 4-ohm power rating, it would run cooler and might last longer than a 2-channel amp with comparable power. When looking at mono amps, you'll find their highest power output will be at 2 ohms or 1 ohm; make sure you're checking the 4-ohm rating when making comparisons. Some amplifiers that might work well for you: Kicker SX900.2 Kicker ZX850.2 Alpine PDX-1.1000 Rockford T600-2 Hifonics ZXi 1006 Premier PRS-D2100T Power Acoustik OV2-2200

Jul 05, 2007 | Kicker C12-4 Car Subwoofer

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